Home / 8,507.97-12,761.95-2,665.04

Finding the Fourth Proportional to 8,507.97, 12,761.95 and 2,665.04

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Solution

The fourth proportional to 8,507.97, 12,761.95 and 2,665.04 is: 3,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,507.97 : 12,761.95 = 2,665.04 : x
  2. Step 2: Convert to fraction form
    8,507.97/12,761.95 = 2,665.04/x
  3. Step 3: Cross multiply
    8,507.97x = 12,761.95 × 2,665.04
  4. Step 4: Simplify right side
    8,507.97x = 34,011,036.76
  5. Step 5: Solve for x
    x = 34,011,036.76/8,507.97
  6. Step 6: Final answer
    x = 3,997.55

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.